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Platinum is a chemical element; it has symbol Pt and atomic number 78. It is a dense, malleable, ductile, highly unreactive, precious, silverish-white transition metal. Its name originates from Spanish platina, a diminutive of plata "silver". [7] [8] Platinum is a member of the platinum group of elements and group 10 of the periodic table of ...
0.6 A/per square foot, 70 - 95 C, lead cathode, gives brown, blue, purple and green color depending on the duration of the process, there are many variants of this process. [29] According to Russian literature, after processing, the objects should be soaked in a solution of potassium bichromate (5-10%), 5 – 15 minutes, 70 - 90 C solution ...
Argyria or argyrosis is a condition caused by excessive exposure to chemical compounds of the element silver, or silver dust. [1] The most dramatic symptom of argyria is that the skin turns blue or blue-gray, and is usually most prominent in sun-exposed areas of the skin.
Blue nails, or more formally azure lunula, are characterized by a blue discoloration of the lunulae, seen in argyria and cases of hepatolenticular degeneration (Wilson's disease), also having been reported in hemoglobin M disease and hereditary acrolabial telangiectases.
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Ternary plot of different colors of Ag–Au–Cu alloys [1]. Colored gold is the name given to any gold that has been treated using techniques to change its natural color. Pure gold is slightly reddish yellow in color, [2] but colored gold can come in a variety of different colors by alloying it with different elements.
Once your finger tattoo is complete, your tattooist will give you specific instructions for immediate aftercare. Generally, you can expect the following: Keep the area wrapped for as long as ...
Finally, oxygenated blood turns the previously white areas red. "That red phase is associated with a lot of pain, discomfort, numbness, tingling, burning sensations before it completely normalizes ...